Datasheet

ADSP-21483/ADSP-21486/ADSP-21487/ADSP-21488/ADSP-21489
Rev. B | Page 39 of 68 | March 2013
Table 37. Serial Ports—Enable and Three-State
Parameter Min Max Unit
Switching Characteristics
t
DDTEN
1
Data Enable from External Transmit SCLK 2 ns
t
DDTTE
1
Data Disable from External Transmit SCLK 11.5 ns
t
DDTIN
1
Data Enable from Internal Transmit SCLK –1.5 ns
1
Referenced to drive edge.
Figure 23. Serial Ports—Enable and Three-State
DRIVE EDGE
DRIVE EDGE
DRIVE EDGE
t
DDTIN
t
DDTEN
t
DDTTE
DAI_P20–1
(SCLK, INT)
DAI_P20–1
(DATA
CHANNEL A/B)
DAI_P20–1
(SCLK, EXT)
DAI_P20–1
(DATA
CHANNEL A/B)